CA2089822A1 - Photosensitive laminate having dual intermediate layers - Google Patents

Photosensitive laminate having dual intermediate layers

Info

Publication number
CA2089822A1
CA2089822A1 CA2089822A CA2089822A CA2089822A1 CA 2089822 A1 CA2089822 A1 CA 2089822A1 CA 2089822 A CA2089822 A CA 2089822A CA 2089822 A CA2089822 A CA 2089822A CA 2089822 A1 CA2089822 A1 CA 2089822A1
Authority
CA
Canada
Prior art keywords
support sheet
composition layer
photoimageable composition
intermediate layers
photosensitive laminate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2089822A
Other languages
French (fr)
Other versions
CA2089822C (en
Inventor
Vinai M. Tara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eternal Technology Corp
Original Assignee
Morton International LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Morton International LLC filed Critical Morton International LLC
Publication of CA2089822A1 publication Critical patent/CA2089822A1/en
Application granted granted Critical
Publication of CA2089822C publication Critical patent/CA2089822C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
    • G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3452—Solder masks

Abstract

In a dry film laminate useful in the printed circuit industry comprising a support sheet, a photoimageable composition layer and a protective sheet, a dual intermediate layer is interposed between the photoimageable composition layer and the support sheet. The intermediate layer consists of a water-soluble tie coat in contact with the photoimageable composition layer and a top coat in contact with the support sheet, the top coat being insoluble in neutral or acidic aqueous solution but soluble in dilute alkaline aqueous solution.
CA002089822A 1992-04-07 1993-02-18 Photosensitive laminate having dual intermediate layers Expired - Lifetime CA2089822C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/864,837 US5270146A (en) 1992-04-07 1992-04-07 Photosensitive laminate having dual intermediate layers
US07/864,837 1992-04-07

Publications (2)

Publication Number Publication Date
CA2089822A1 true CA2089822A1 (en) 1993-10-08
CA2089822C CA2089822C (en) 1998-04-21

Family

ID=25344183

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002089822A Expired - Lifetime CA2089822C (en) 1992-04-07 1993-02-18 Photosensitive laminate having dual intermediate layers

Country Status (7)

Country Link
US (1) US5270146A (en)
EP (1) EP0565233B1 (en)
JP (1) JP2572928B2 (en)
CA (1) CA2089822C (en)
DE (1) DE69320517T2 (en)
HK (1) HK1005154A1 (en)
SG (1) SG52385A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5609991A (en) * 1995-02-10 1997-03-11 Morton International, Inc. Photoimageable composition having improved alkaline process resistance and tack-free surface for contact imaging
US6462107B1 (en) 1997-12-23 2002-10-08 The Texas A&M University System Photoimageable compositions and films for printed wiring board manufacture
CN102799070B (en) * 2012-08-27 2014-03-05 珠海市能动科技光学产业有限公司 Double coating negative photoresist dry film
JP6043693B2 (en) * 2012-10-19 2016-12-14 富士フイルム株式会社 Protective film forming resin composition, protective film, pattern forming method, electronic device manufacturing method, and electronic device
JP6284849B2 (en) * 2013-08-23 2018-02-28 富士フイルム株式会社 Laminate

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2106574A1 (en) * 1970-03-03 1971-09-23 Shpley Co Inc Photosensitive laminate
US4530896A (en) * 1970-03-03 1985-07-23 Shipley Company Inc. Photosensitive laminate
NL7800122A (en) * 1978-01-05 1979-07-09 Philips Nv MAGNETIC RECORDING TAPE AND MAGNETIC RECORDING TAPE CARRIER.
US4239849A (en) * 1978-06-19 1980-12-16 Dynachem Corporation Polymers for aqueous processed photoresists
US4789620A (en) * 1986-03-03 1988-12-06 Mitsubishi Rayon Co. Ltd. Liquid photosensitive resin composition containing carboxylated epoxy acrylates or methacrylates
JPH0750329B2 (en) * 1986-06-23 1995-05-31 富士写真フイルム株式会社 Image forming material
US4992354A (en) * 1988-02-26 1991-02-12 Morton International, Inc. Dry film photoresist for forming a conformable mask and method of application to a printed circuit board or the like
US4889790A (en) * 1988-02-26 1989-12-26 Morton Thiokol, Inc. Method of forming a conformable mask on a printed circuit board

Also Published As

Publication number Publication date
DE69320517D1 (en) 1998-10-01
EP0565233B1 (en) 1998-08-26
DE69320517T2 (en) 1999-01-07
JPH0627650A (en) 1994-02-04
EP0565233A1 (en) 1993-10-13
SG52385A1 (en) 1998-09-28
CA2089822C (en) 1998-04-21
US5270146A (en) 1993-12-14
HK1005154A1 (en) 1998-12-24
JP2572928B2 (en) 1997-01-16

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20130218